<template>
    <div style="padding: 10px">
        <!--    功能区域-->
        <div style="margin: 10px 0">
            <el-button type="primary" @click="add">新增</el-button>
            <!--<el-button type="primary">导入</el-button>
            <el-button type="primary">导出</el-button>-->
        </div>

        <!--    搜索区域-->
        <div style="margin: 10px 0">
            <el-input v-model="search" placeholder="请输入关键字" style="width: 20%" clearable></el-input>
            <el-button type="primary" style="margin-left: 5px" @click="load">查询</el-button>
        </div>
        <el-table :data="tableData" stripe border style="width: 100%">
            <!--strip：加斑马纹
            sortable：加上排序-->
            <el-table-column prop="id" label="ID" sortable />
            <el-table-column prop="title" label="标题" />
            <el-table-column prop="author" label="作者" />
            <el-table-column prop="time" label="时间" />
            <el-table-column fixed="right" label="操作">
                <template #default="scope">
                    <el-button @click="details(scope.row)">详情</el-button>
                    <el-button @click="handleEdit(scope.row)">编辑</el-button>
                    <el-popconfirm title="确认删除吗？" @confirm="handleDelete(scope.row.id)">
                        <template #reference>
                            <el-button type="danger">删除</el-button>
                        </template>
                    </el-popconfirm>
                </template>
            </el-table-column>
        </el-table>

        <div style="margin: 10px 0">
            <el-pagination
                    v-model:currentPage="currentPage"
                    v-model:page-size="pageSize"
                    :page-sizes="[5,10,20]"
                    :small="small"
                    :disabled="disabled"
                    :background="background"
                    layout="total, sizes, prev, pager, next, jumper"
                    :total="total"
                    @size-change="handleSizeChange"
                    @current-change="handleCurrentChange"/>

            <el-dialog v-model="dialogVisible" title="新增新闻" width="50%">
                <el-form :model="form" label-width="120px">
                    <el-form-item label="标题">
                        <el-input v-model="form.title" style="width: 86%"/>
                    </el-form-item>

                    <div id="div1"></div>
                    <!--<el-form-item label="内容">
                        <el-input v-model="form.content" />
                    </el-form-item>-->
                </el-form>
                <template #footer>
              <span class="dialog-footer">
                <el-button @click="dialogVisible = false">取消</el-button>
                <el-button type="primary" @click="save">确定</el-button>
              </span>
                </template>
            </el-dialog>
        </div>

        <el-dialog v-model="vis" title="详情" width="50%">
            <el-card>
                <div v-html="detail.content" style="min-height: 100px"></div>
            </el-card>
        </el-dialog>

    </div>
</template>

<script>

    import request from "../utils/request";
    import E from 'wangeditor'

    let editor;

    export default {
        name: 'News',
        components: {

        },
        data() {
            return {
                form:{},
                dialogVisible: false,
                search: '',
                currentPage: 1,
                pageSize: 10,
                total: 0,
                tableData:[],
                vis: false,
                detail:{}
            }
        },
        created() {
            let userStr2 = sessionStorage.getItem("user"||"{}")
            console.log("userStr2:"+userStr2)
            if (userStr2 === null || userStr2 === ''){
                console.log("无用户登录不进行查询")
                this.$router.push("/login")
            } else {
                console.log("查询时有用户")
                this.load()
            }
        },
        methods: {
            details(row){
                this.detail = row;
                this.vis = true;
            },
            load() {
                request.get("/news",{
                    params: {
                        pageNum: this.currentPage,
                        pageSize: this.pageSize,
                        search: this.search
                    }
                }).then(res => {
                    console.log(res)
                    this.tableData = res.data.records
                    this.total = res.data.total
                })
            },
            add() {
                this.dialogVisible = true
                this.form = {}

                this.$nextTick(() => {
                    //关联弹窗里面的div，new一个editor对象
                    editor = new E('#div1')

                    // 配置 server 接口地址
                    editor.config.uploadImgServer = 'http://localhost:9090/files/editor/upload'
                    editor.config.uploadFileName = 'file' //设置上传参数名称

                    editor.create()
                })
                editor.txt.html('')
            },
            save() {
                this.form.content = editor.txt.html(); //获取编辑器里面的值，然后赋予到实体中
                if (this.form.id) {
                    //如果有id，更新
                    request.put("/news", this.form).then(res => {
                        console.log(res)
                        if (res.code === '0'){
                            this.$message({
                                type: "success",
                                message: "修改成功"
                            })
                        } else {
                            this.$message({
                                type: "error",
                                message: res.msg
                            })
                        }
                        this.load() //刷新
                        this.dialogVisible = false //关闭弹窗
                    })
                } else {
                    //新增
                    let userStr = sessionStorage.getItem("user") || "{}";
                    let user = JSON.parse(userStr);
                    this.form.author = user.nickName;
                    request.post("/news", this.form).then(res => {
                        console.log(res)
                        if (res.code === '0'){
                            this.$message({
                                type: "success",
                                message: "新增成功"
                            })
                        } else {
                            this.$message({
                                type: "error",
                                message: res.msg
                            })
                        }
                        this.load() //刷新
                        this.dialogVisible = false //关闭弹窗
                    })
                }
            },

            handleEdit(row) {
                this.form = JSON.parse(JSON.stringify(row))
                this.dialogVisible = true
                this.$nextTick(() => {
                    //关联弹窗里面的div，new一个editor对象
                    editor = new E('#div1')
                    editor.create()

                    // 配置 server 接口地址
                    editor.config.uploadImgServer = 'http://localhost:9090/files/editor/upload'
                    editor.config.uploadFileName = 'file' //设置上传参数名称
                })
                editor.txt.html(row.content)
            },
            handleDelete(id) {
                console.log(id)
                request.delete("/news/" + id).then(res => {
                    if (res.code === '0'){
                        this.$message({
                            type: "success",
                            message: "删除成功"
                        })
                    } else {
                        this.$message({
                            type: "error",
                            message: res.msg
                        })
                    }
                    this.load() //刷新,删除之后重新加载表格的数据
                })
            },
            handleSizeChange(pageSize){   //改变当前每页的个数时触发、
                this.pageSize = pageSize
                this.load()
            },
            handleCurrentChange(pageNum){  //改变当前页码时触发
                this.pageNum = pageNum
                this.load()
            },
            filesUploadSuccess(res) {
                console.log(res)
                this.form.cover = res.data
            },
        }
    }
</script>
